Electric Cooling Fan Relay Wiring Diagram

87 red wire connects to the positive wire on the electric fan.

Electric cooling fan relay wiring diagram.

Electric fan relay wiring kit schematic diagram 1 dual fans wire a3 hyundai radiator ricks free auto repair cooling faq gm trusted nissan altima gone balmoond19 volvo 850 engine volvotips ot 0845 sd thermostat 100s 81h bury seclon de electric fan relay wiring kit schematic diagram 1 wiring dual electric fans electric fan wire diagram a3 wiring hyundai read more. 85 black wire. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87. It shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.

The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. You could use one relay. However two relays will divide the load. And if a relay fails you will still have one fan running.

The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. 30 other red wire needs constant 12 volt power from the battery. Primary cooling fan dual fans with dual relays single speed on off using ground switched devices only for primary activation using dual relays for two fans is not required. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits.